I was given a nice old black walnut bookcase. It needs to be reglued and at least partially refinished. The old finish looks like shellac. I don’t want to do a full stripping, as the piece has a nice patina. This is standard turn of the century machine made furniture, not a valuable antique. Has anyone used the “reamalgamators” like Formby’s, something that temporarily melts the finish so it can be brushed out again? Another approach might be to clean it up (the Furniture Doctor recommends basic mineral spirits to remove old wax and dirt), fine sand it, and recoat with shellac. Can a modern polyurethane varnish be coated over old shellac? Advice?
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Replies
check the articles page at http://www.homesteadfinishing.com to see if there is one titled "Saving the Finish" or something similar.
The furniture refinishers work, but take some practice to perfect. I also have a recipe for make-your-own that works well. Lemme get my dinner out of the oven, and then I'll post it for you, along with some tips from my own experience.
forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
Hi q-sawn, my blood sugar's a little closer to normal now, so I can send some info here.
My first rather pushy suggestion is to toss out "The Furniture Doctor" and go find a copy of "The Weekend Refinisher" by Bruce Johnson. Bruce is much kinder to his furniture than the so-called Doctor is!
I will provide here his "Reviving a Shellac Finish" section, however I'm hoping you have tested the finish with a Q-tip dipped in denatured alcohol to verify that it's actually shellac:
OK, going to finish dinner now. Will provide the "what if that doesn't work" solution in the next installment. :-)
forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
OK, back again. The "reamalgamators" are just solvents marketed under a fancy name. You can combine denatured alcohol and lacquer thinner at a 1:1 ratio and use it just as well. It's been a long time since I've restored anything this way, but I recall using a 2- or 3-piece system -- 2 or 3 pieces of steel wool and 2 or 3 tuna cans of refinisher. Working on one horizontal section at a time, dip the wool with Piece #1, apply the liquid to the surface and rub gently in circles, dissolving the finish. Pick up a new piece of wool, rub gently more in a with-the-grain direction. That wool piece (#2) then becomes your next #1 piece (for the next shelf or whatever). The #3 piece might be dipped and squeezed, then rub with the grain again.
It's a very forgiving process as long as you're not too aggressive. The trick is to get to a consistent look at the end. I usually wipe at the end with mineral spirit, let it dry, and apply new finish.
Mr. Johnson also provides a couple of Shellac Reviver recipes at the back of his book:
Good luck! It sounds like fun.
forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
Thanks, Forest Girl, you are as ever a font of wisdom. So why you dissing my man the Furniture Doctor? I like the old yankee skinflint stories. I actually have both books. Maybe I should finally read them, eh?
Hiya q-sawn. Sorry I was so blunt!! :-) I read the Doctor book years ago, and truth be told, I don't remember what got my back up (feline slang, that) but he came up with a couple things that just set my teeth on edge (ooooops, mixing metaphors, oh dear).... I think you'd really enjoy the Weekend book. He tells some funny stories too, and I like his preference to restoring when possible. Eminently practical, but gentle too. ;-)
forestgirl -- you can take the girl out of the forest, but you can't take the forest out of the girl ;-)
Edited 6/3/2002 10:47:45 PM ET by forest_girl
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